Pod
- Podascon
- Podasconidae
- Podictenius
- Podocatactes
- Podoceridae
- Podoceropsis
- Podocerus
Podochela Stimpson, 1860
- Podochela brasiliensis Coelho, 1972
- Podochela curvirostris (A. Milne-Edwards, 1879)
- Podochela grossipes Stimpson, 1860
- Podochela lamelligera (Stimpson, 1871)
- Podochela macrodera Stimpson, 1860
- Podochela riisei Stimpson, 1860
- Podochela ziesenhennei Garth, 1940
Crstacea → Malacostraca → Decapoda → Majoidea → Inachidae
Potporodica Podochelinae Neumann, 1878
- Anisonotus A. Milne-Edwards, 1879
- Coryrhynchus Kingsley, 1880
- Ericerodes Rathbun, 1897
Crstacea → Malacostraca → Decapoda → Majoidea → Inachidae
- Podocopida
- Podocopida
- Podon
- Podonevadne
- Podonidae
- Podoniscus
- Podophthalmus
Sekcija Podotremata Guinot, 1977
- Cyclodorippoidea Ortmann, 1892
- Dromioidea De Haan, 1833
- Homolodromioidea Alcock, 1899
- Homoloidea De Haan, 1839
- Raninoidea De Haan, 1839
Crustacea → Malacostraca → Decapoda → Pleocyemata → Brachyura
Poe
- Poecilasma
- Poecilasmatidae
- Poecilasmatidae
- Poecilostomatoida
- Poecilostomatoida
Potporodica Poekilogammarinae Kamaltynov, 1999
- Bathygammarus Bazikalova, 1945
- Gymnogammarus Sowinsky, 1915
- Inobsequentus Tachteew, 2000
- Nyctoporea Kamaltynov, 2002
- Onychogammarus Sowinsky, 1915
- Poekilogammarus Stebbing, 1899
- Rostrogammarus Bazikalova, 1945
Crustacea → Malacostraca → Amphipoda → Gammaroidea → Acanthogammaridae
Pol
- Poligarida
- Politolana
- Pollicipedidae
- Pollicipedidae
- Pollicipes
- Pollicipidae
- Pollicipidae
- Polyacanthus
- Polyartemia
- Polyartemiella
- Polybiidae
- Polybius
- Polycheles
- Polychelidae
- Polychelidae
- Polycheria
- Polycope
- Polycopidae
- Polycopidae
- Polycopoidea
- Polycopoidea
- Polycopsis
- Polydectus
- Polyleberis
- Polylepas
- Polynyapodella
- Polyonyx
- Polyphemidae
- Polyphemus
Pom
- Pomacuma
- Pomatocheles
- Pomatogebia
- Pomphopygus
Pon
- Ponderella
- Ponderellidae
- Pondo
- Pongycarcinia
- Pontella
- Pontellidae
- Pontellidae
- Pontellina
- Pontellopsis
- Pontharpinia
- Ponticocythereis
Pontiosquilla Manning, 1995
- Pontiosquilla caledonica (Moosa, 1991)
- Pontiosquilla incerta (Hansen, 1926)
- Pontiosquilla mauiana (Bigelow, 1931)
Crustacea → Malacostraca → Stomatopoda → Squilloidea → Squillidae
- Pontobopyrus
- Pontocaris
- Pontocrates
- Pontocyprididae
- Pontocyprididae
- Pontocypridoidea
- Pontocypridoidea
- Pontocypris
- Pontocythere
- Pontoeciella
- Pontoeciellidae
- Pontoeciellidae
- Pontogelos
- Pontogeneia
- Pontonia
- Pontonides
- Pontoniopsis
- Pontoparta
- Pontophilus
- Pontopolites
- Pontopolycope
- Pontoporeia
- Pontoporeiidae
- Pontoptilus
- Pontostratiotes
Poo
- Poorea
Pooredoce Bruce, 2009
- Pooredoce garyi Bruce, 2009
Crustacea → Malacostraca → Isopoda → Sphaeromatoidea → Sphaeromatidae
- Pooreotanais
Pop
- Poppiana
Por
- Porcellana
- Porcellanella
- Porcellanidae
- Porcellanopagurus
- Porcellidiidae
- Porcellidiidae
- Porcellidium
- Porcellio
- Porcellionidae
- Porcellionides
- Porcellium
- Poria
- Porocephalida
- Porocephalida
- Porocephalidae
- Porocephalidae
- Porocephalus
- Porroecia
- Portaratrum
- Portoricoscia
- Portumnus
- Portunicepon
- Portunidae
- Portunion
- Portunoidea
- Portunus
Pos
Poseidonamicus Benson, 1972
- Poseidonamicus anteropunctatus Whatley et al., 1987 †
- Poseidonamicus dinglei Boomer, 1999 †
- Poseidonamicus hisayoae Yasuhara, Cronin, Hunt & Hodell, 2009
- Poseidonamicus hunti Brandão & Päplow, 2011
- Poseidonamicus major Benson, 1972
- Poseidonamicus minor Benson, 1972
- Poseidonamicus miocenicus Benson in Benson & Peypouquet, 1983
- Poseidonamicus nudus Benson, 1972
- Poseidonamicus ocularis Whatley et al., 1987 †
- Poseidonamicus panopsus Whatley & Dingle, 1989
- Poseidonamicus pintoi Benson, 1972
- Poseidonamicus praenudus Whatley et al., 1987 †
- Poseidonamicus pseudorobustus Coles & Whatley, 1989 †
- Poseidonamicus punctatus Whatley et al., 1987 †
- Poseidonamicus riograndensis Benson in Benson & Peypouquet, 1983
- Poseidonamicus robustus Whatley et al., 1987 †
- Poseidonamicus rudis Whatley et al., 1987 †
- Poseidonamicus tainae Brandão in Brandão & Päplow, 2011
- Poseidonamicus vimineus (Brady, 1880)
- Poseidonamicus whatleyi Dingle, 2003
- Poseidonamicus yasuharai Brandão & Päplow, 2011
Crustacea → Ostracoda → Podocopida → Cytherocopina → Cytheroidea → Thaerocytheridae
- Postasterope
Pot
Porodica Potamidae
- Potaminae Ortmann, 1896
- Potamiscinae Bott, 1970
Crustacea → Malacostraca → Decapoda → Heterotremata → Heterotremata → Potamoidea
Potporodica Potaminae Ortmann, 1896
- Acanthopotamon Kemp, 1918
- Alcomon Yeo & Ng, 2007
- Himalayapotamon Pretzmann, 1966
- Lobothelphusa Bouvier, 1917
- Paratelphusula Alcock, 1909
- Potamon Savigny, 1816
- Socotra Cumberlidge & Wranik, 2002
- Socotrapotamon Apel & Brandis, 2000
Crustacea → Malacostraca → Decapoda → Heterotremata → Heterotremata → Potamoidea → Potamidae
Potporodica Potamiscinae Bott, 1970
- Acartiapotamon Dai, 1999
- Allopotamon Ng, 1988
- Amamiku Naruse, Segawa & Shokita, 2004
- Aparapotamon Dai & Chen, 1985
- Apotamonautes Dai, 1993
- Artopotamon Dai & Chen, 1984
- Aspermon Yeo & Ng, 2007
- Badistemon Yeo & Ng, 2007
- Balssipotamon Dang & Hô, 2008
- Beccumon Yeo & Ng, 2007
- Bottapotamon Türkay & Dai, 1997
- Candidiopotamon Bott, 1967
- Carpomon S. H. Tan & Ng, 1998
- Cerberusa Holthuis, 1979
- Chinapotamon Dai & Naiyanetr, 1994
- Cryptopotamon Ng, 1992
- Daipotamon Ng & Trontelj, 1996
- Dalatomon Dang & Hô, 2007
- Demanietta Bott, 1966
- Doimon Yeo & Ng, 2007
- Donopotamon Dang & Hô, 2005
- Dromothelphusa Naiyanetr, 1992
- Eosamon Yeo & Ng, 2007
- Erebusa Yeo & Ng, 1999
- Esanpotamon Naiyanetr & Ng, 1997
- Flabellamon Ng, 1996
- Geothelphusa Stimpson, 1858
- Hainanpotamon Dai, 1995
- Heterochelamon Türkay & Dai, 1997
- Huananpotamon Dai & Ng, 1994
- Ibanum Ng, 1995
- Indochinamon Yeo & Ng, 2007
- Inlethelphusa Yeo & Ng, 2007
- Insulamon Ng & Takeda, 1992
- Iomon Yeo & Ng, 2007
- Isolapotamon Bott, 1968
- Johora Bott, 1966
- Kanpotamon Ng & Naiyanetr, 1993
- Kempamon Yeo & Ng, 2007
- Kukrimon Yeo & Ng, 2007
- Lacunipotamon Tai, Song, He, Cao, Xu & Zhong, 1975
- Laevimon Yeo & Ng, 2005
- Larnaudia Bott, 1966
- Latopotamon Dai & Türkay, 1997
- Lophopotamon Dai, 1999
- Malayopotamon Bott, 1968
- Mediapotamon Türkay & Dai, 1997
- Megacephalomon Yeo & Ng, 2007
- Mindoron Ng & Takeda, 1992
- Minpotamon Dai & Türkay, 1997
- Nanhaipotamon Bott, 1968
- Neilupotamon Dai & Türkay, 1997
- Nemoron Ng, 1996
- Neolarnaudia Türkay & Naiyanetr, 1987
- Neotiwaripotamon Dai & Naiyanetr, 1994
- Ovitamon Ng & Takeda, 1992
- Parapotamon de Man, 1907
- Parapotamonoides Dai, 1990
- Pararanguna Dai & Chen, 1984
- Parvuspotamon Dai & Bo, 1994
- Phaibulamon Ng, 1992
- Pilosamon Ng, 1996
- Planumon Yeo & Ng, 2007
- Potamiscus Alcock, 1909
- Pudaengon Ng & Naiyanetr, 1995
- Pupamon Yeo & Ng, 2007
- Qianpotamon Dai, 1995
- Quadramon Yeo & Ng, 2007
- Rathbunamon Ng, 1996
- Ryukyum Ng & Shokita, 1995
- Setosamon Yeo & Ng, 2007
- Shanphusa Yeo & Ng, 2007
- Sinolapotamon Tai & Sung, 1975
- Sinopotamon Bott, 1967
- Stelomon Yeo & Naiyanetr, 2000
- Stoliczia Bott, 1966
- Takpotamon Brandis, 2002
- Tenuilapotamon Dai, Song, Li, Chen, Wang & Hu, 1984
- Tenuipotamon Dai, 1990
- Teretamon Yeo & Ng, 2007
- Terrapotamon Ng, 1986
- Thaiphusa Ng & Naiyanetr, 1993
- Thaipotamon Ng & Naiyanetr, 1993
- Tiwaripotamon Bott, 1970
- Tomaculamon Yeo & Ng, 1997
- Trichopotamon Dai & Chen, 1984
- Vadosapotamon Dai & Türkay, 1997
- Vietopotamon Dang & Hô, 2002
- Villopotamon Dang & Hô, 2003
- Yarepotamon Dai & Türkay, 1997
Crustacea → Malacostraca → Decapoda → Heterotremata → Heterotremata → Potamoidea → Potamidae
- Potamiscus
- Potamocarcinus
- Potamocypoda
- Potamocypris
- Potamoidea
- Potamon
- Potamonautes
- Potamonautidae
- Potamonemus
- Potimirim
Pou
- Poupinia
- Poupiniidae